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arXiv 1209.4908hep-th
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无质量超粒子的正则分析

A Canonical Analysis of the Massless Superparticle

D. G. C. McKeon

摘要:

在d = 2 + 1和d = 3 + 1维中考虑了无质量超粒子作用量的正则结构。这是通过检查旋量θ的每个分量对作用的贡献来完成的;没有试图保持明显的协方差。在使用狄拉克矩消除第二类约束所产生的正则动量与这些组件的一半,我们发现,其余组件的正则动量,都是第一类约束。从这些第一类约束,可以导出西格尔的局部费米κ对称性的一半的生成元;这一半取决于选择与θ分量相关的动量的哪一半作为第二类约束。代数的生成器的费米对称变换进行检查。

英文摘要:

The canonical structure of the action for a massless superparticle is considered in d = 2 + 1 and d = 3 + 1 dimensions. This is done by examining the contribution to the action of each of the components of the spinor θ present; no attempt is made to maintain manifest covariance. Upon using the Dirac Bracket to eliminate the second class constraints arising from the canonical momenta associated with half of these components, we find that the remaining components have canonical momenta that are all first class constraints. From these first class constraints, it is possible to derive the generator of half of the local Fermionic κ-symmetry of Siegel; which half is contingent upon the choice of which half of the momenta associated with the components of θ are taken to be second class constraints. The algebra of the generator of this Fermionic symmetry transformation is examined.

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